Bottle opener



FIG. 1 is a left side elevational view of a bottle opener showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a top plan view thereof. 

The ornamental design for a bottle opener, as shown. 